{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:WIJDNHML2FEUMFYAQORLWMI6FE","short_pith_number":"pith:WIJDNHML","schema_version":"1.0","canonical_sha256":"b212369d8bd14946170083a2bb311e2933e00fa5531133bf7592946bff6a58df","source":{"kind":"arxiv","id":"1310.2821","version":2},"attestation_state":"computed","paper":{"title":"Competition between band and Mott insulator in the bilayer Hubbard model: a dynamical cluster approximation study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Harald O. Jeschke, Hunpyo Lee, Roser Valenti, Yu-Zhong Zhang","submitted_at":"2013-10-10T14:06:56Z","abstract_excerpt":"We investigate the nature of the insulating phases in a bilayer Hubbard model with intralayer coupling $t$ and interlayer coupling $t_{\\perp}$ at large interaction strength $U/t$ and half-filling. We consider a dynamical cluster approximation with a cluster size of $N_c=2\\times4$, where short-range spatial fluctuations as well as on-site dynamical fluctuations are emphasized. By varying the band splitting ($t_{\\perp}/t$), we find that at $t_{\\perp}/t\\simeq1.5$ the Mott behavior is rapidly suppressed in the momentum sectors ($\\pi,0$) and ($0,\\pi$). At $t_{\\perp}/t\\simeq2.5$ Mott features domina"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1310.2821","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-10-10T14:06:56Z","cross_cats_sorted":[],"title_canon_sha256":"6c47706efa83c994a324678d5662b469ec5e02f4cf2a3db81452a6102442c90c","abstract_canon_sha256":"6d383523086b828d46b1f57591c227b81d43ae344c361ea70fa0efed07604e40"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:06.943415Z","signature_b64":"SrLh1/mvT9G+G5TABXiYhZlCitvw8ftniq+g9rbrDmX3tmkQjBCcjNFWL+F+rMk/ZKYDJO2TibMwmzurLXIKBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b212369d8bd14946170083a2bb311e2933e00fa5531133bf7592946bff6a58df","last_reissued_at":"2026-05-18T01:47:06.942782Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:06.942782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Competition between band and Mott insulator in the bilayer Hubbard model: a dynamical cluster approximation study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Harald O. Jeschke, Hunpyo Lee, Roser Valenti, Yu-Zhong Zhang","submitted_at":"2013-10-10T14:06:56Z","abstract_excerpt":"We investigate the nature of the insulating phases in a bilayer Hubbard model with intralayer coupling $t$ and interlayer coupling $t_{\\perp}$ at large interaction strength $U/t$ and half-filling. We consider a dynamical cluster approximation with a cluster size of $N_c=2\\times4$, where short-range spatial fluctuations as well as on-site dynamical fluctuations are emphasized. By varying the band splitting ($t_{\\perp}/t$), we find that at $t_{\\perp}/t\\simeq1.5$ the Mott behavior is rapidly suppressed in the momentum sectors ($\\pi,0$) and ($0,\\pi$). At $t_{\\perp}/t\\simeq2.5$ Mott features domina"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.2821","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1310.2821","created_at":"2026-05-18T01:47:06.942877+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.2821v2","created_at":"2026-05-18T01:47:06.942877+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.2821","created_at":"2026-05-18T01:47:06.942877+00:00"},{"alias_kind":"pith_short_12","alias_value":"WIJDNHML2FEU","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_16","alias_value":"WIJDNHML2FEUMFYA","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_8","alias_value":"WIJDNHML","created_at":"2026-05-18T12:28:04.890932+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WIJDNHML2FEUMFYAQORLWMI6FE","json":"https://pith.science/pith/WIJDNHML2FEUMFYAQORLWMI6FE.json","graph_json":"https://pith.science/api/pith-number/WIJDNHML2FEUMFYAQORLWMI6FE/graph.json","events_json":"https://pith.science/api/pith-number/WIJDNHML2FEUMFYAQORLWMI6FE/events.json","paper":"https://pith.science/paper/WIJDNHML"},"agent_actions":{"view_html":"https://pith.science/pith/WIJDNHML2FEUMFYAQORLWMI6FE","download_json":"https://pith.science/pith/WIJDNHML2FEUMFYAQORLWMI6FE.json","view_paper":"https://pith.science/paper/WIJDNHML","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.2821&json=true","fetch_graph":"https://pith.science/api/pith-number/WIJDNHML2FEUMFYAQORLWMI6FE/graph.json","fetch_events":"https://pith.science/api/pith-number/WIJDNHML2FEUMFYAQORLWMI6FE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WIJDNHML2FEUMFYAQORLWMI6FE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WIJDNHML2FEUMFYAQORLWMI6FE/action/storage_attestation","attest_author":"https://pith.science/pith/WIJDNHML2FEUMFYAQORLWMI6FE/action/author_attestation","sign_citation":"https://pith.science/pith/WIJDNHML2FEUMFYAQORLWMI6FE/action/citation_signature","submit_replication":"https://pith.science/pith/WIJDNHML2FEUMFYAQORLWMI6FE/action/replication_record"}},"created_at":"2026-05-18T01:47:06.942877+00:00","updated_at":"2026-05-18T01:47:06.942877+00:00"}